private void btnOK_Click(object sender, RoutedEventArgs e)
 {
     parent.playerName = lblName.Content.ToString();
     RobotRadarPage Robot = new RobotRadarPage(this.parent);
     parent.Content = Robot;
 }
 private void btnRobot_Click(object sender, RoutedEventArgs e)
 {
     RobotRadarPage Robot = new RobotRadarPage(this.parent);
     parent.Content = Robot;
 }